{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "data breach", "trigger": true, "arguments": ["tool", "attack pattern", "victim", "damage amount", "purpose"]}, {"event_type": "phishing", "trigger": true, "arguments": ["victim", "damage amount", "time", "tool", "purpose", "attacker", "place", "attack pattern"]}, {"event_type": "ransom", "trigger": true, "arguments": ["payment method", "victim", "price", "attack pattern", "place", "damage amount", "tool", "time", "attacker"]}, {"event_type": "patch vulnerability", "trigger": true, "arguments": ["releaser", "vulnerability", "common vulnerabilities and exposures", "time", "supported platform", "patch", "patch number", "vulnerable system", "vulnerable system version"]}, {"event_type": "discover vulnerability", "trigger": true, "arguments": ["vulnerable system owner", "supported platform", "discoverer", "time", "vulnerability", "capabilities"]}], "input": "In March , the city of Atlanta was attacked by SamSam ransomware that crippled its court system , prevented water bill payments and forced city employees to file paper reports ."}
{"data breach": [], "phishing": [], "ransom": [{"trigger": "was attacked", "arguments": {"payment method": "NAN", "victim": "the city of Atlanta", "price": "NAN", "attack pattern": "NAN", "place": "NAN", "damage amount": "NAN", "tool": "SamSam ransomware", "time": "March", "attacker": "NAN"}}], "patch vulnerability": [], "discover vulnerability": []}